中红外硫系光子晶体光纤偏振分束器的设计与研究
第3章蝶形双芯光子品体光纤偏振分束器特性分析ABSTRACTSulfur compounds have attracted much attention in recent years because of theirproperties,such as lower softening temperature,bet...
中型挖掘机油管的焊接工艺设计
AbstractBox belongs to the bracket type parts,is the reducer of theinclusion of the parts of the reducer play an inclusive role.It is a complicated part in the reducer.It is not a ...
中央空调系统设计及气流组织形式优化
Design of central air conditioning system and optimization of airdistribution formAbstractThe design is the hospital inpatient complex building,located in Maoming City,Guangdong Pr...
种肥电力式精密播种机
AbstractIn China,the demand for corn is very large,and the quality of sowing is animportant factor in the output of corn.The planter in China is mainly driven by amechanical chain,...
重型数控落地铣镗床综合误差补偿研究
哈尔滨工业大学工学博士学位论文空间误差，实验验证了补偿的有效性。依据辨识得到的伺服参数，调整系统动态适配时间，机床圆轨迹误差降低了80%。开展了热漂移误差补偿装置在西门子数控系统中的...
重型载货汽车离合器设计
设计方向：双盘式摩擦离合器二、离合器的结构方案分析汽车离合器有摩擦式、电磁式和液力式三种类型，其中摩擦式的应用最广。盘形摩擦离合器，按其从动盘的数目可分为单片、双片和多片三类：根据...
轴类零件机械加工工艺规程设计
前言本设计书是根据数控加工与编程综合设计的，数控机床已成为国家先进制造技术的基础设备，并关系到国家发展的战略地位，从20世纪中叶数控技术出现以来。数控机床给机械制造带来了革命性的变化...
转筒干燥器的总体与结构设计
(b)可用的加热空气的能源类型及电能：(c)排放的粉尘条件：(d)噪音；(e)干燥前后的衔接工序。转简干燥器的主体是略带倾斜并能回转的圆简体。湿物料从左端上部加入，经过圆简内部时，与通过简内的...
轴流风机扇叶的仿真与分析
AbstractABSTRACTIn comparison with common centrifugal fanner,axial-flow fanner has a bigger fluxand lower lift.It plays a large role in motor field due to its simple structure andc...
装谷物机械臂的结构设计与仿真
Structure DesignAndSimulation Of GrainLoadingManipulatorAbstractOn the basis of summarizing the research and development of themanipulator,combining the development trend of the mo...
